condition mean min max 4 h after light 3432.1 3432.1 3432.1 8 h after light 3138.45 2439.3 3837.6 12 h after light 2401.1000000000004 2053.8 2748.4 4 h after dark 2305.75 2272.2 2339.3 8 h after dark 3084.0 2693.5 3474.5 12 h after dark 4070.5 4047.5 4093.5